Date.prototype.Format = function(formatStr)    
{    
    var str = formatStr;    
    var Week = ['日','一','二','三','四','五','六'];   
   
    str=str.replace(/yyyy|YYYY/,this.getFullYear());    
    str=str.replace(/yy|YY/,(this.getYear() % 100)>9?(this.getYear() % 100).toString():'0' + (this.getYear() % 100));    
   
    str=str.replace(/MM/,this.getMonth()>9?this.getMonth().toString():'0' + this.getMonth());    
    str=str.replace(/M/g,this.getMonth());    
   
    str=str.replace(/w|W/g,Week[this.getDay()]);    
   
    str=str.replace(/dd|DD/,this.getDate()>9?this.getDate().toString():'0' + this.getDate());    
    str=str.replace(/d|D/g,this.getDate());    
   
    str=str.replace(/hh|HH/,this.getHours()>9?this.getHours().toString():'0' + this.getHours());    
    str=str.replace(/h|H/g,this.getHours());    
    str=str.replace(/mm/,this.getMinutes()>9?this.getMinutes().toString():'0' + this.getMinutes());    
    str=str.replace(/m/g,this.getMinutes());    
   
    str=str.replace(/ss|SS/,this.getSeconds()>9?this.getSeconds().toString():'0' + this.getSeconds());    
    str=str.replace(/s|S/g,this.getSeconds());    
   
    return str;    
} 


Date.prototype.pattern=function(fmt) {          
	 
    var o = {          
 
    "M+" : this.getMonth()+1, //月份          
 
    "d+" : this.getDate(), //日          
 
    "h+" : this.getHours()%12 == 0 ? 12 : this.getHours()%12, //小时          
 
    "H+" : this.getHours(), //小时          
 
    "m+" : this.getMinutes(), //分          
 
    "s+" : this.getSeconds(), //秒          
 
    "q+" : Math.floor((this.getMonth()+3)/3), //季度          
 
    "S" : this.getMilliseconds() //毫秒          
 
    };          
 
    var week = {          
 
    "0" : "\u65e5",          
 
    "1" : "\u4e00",          
 
    "2" : "\u4e8c",          
 
    "3" : "\u4e09",          
 
    "4" : "\u56db",          
 
    "5" : "\u4e94",          
 
    "6" : "\u516d"         
 
    };          
 
    if(/(y+)/.test(fmt)){          
 
        fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length));          
 
    }          
 
    if(/(E+)/.test(fmt)){          
 
        fmt=fmt.replace(RegExp.$1, ((RegExp.$1.length>1) ? (RegExp.$1.length>2 ? "\u661f\u671f" : "\u5468") : "")+week[this.getDay()+""]);          
 
    }          
 
    for(var k in o){          
 
        if(new RegExp("("+ k +")").test(fmt)){          
 
            fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));          
 
        }          
 
    }          
 
    return fmt;          
 
}     
